水分散体系中甲基丙烯酸甲酯和丙烯酸八氟戊酯嵌段共聚物的合成与表征  

SYNTHESIS AND CHARACTERIZATION OF FLUORINE-CONTAINING BLOCK COPOLYMER COMPOSED OF MMA AND OFPA IN WATER DISPERSION SYSTEM

作　　者：张彬[1] 张兆斌[1] 万小龙[1] 胡春圃[1] 应圣康[1] 

机构地区：[1]华东理工大学活性聚合研究室,上海200237

出　　处：《高分子学报》2003年第6期906-909,共4页Acta Polymerica Sinica

基　　金：上海市重点学科建设资助项目

摘　　要：Block copolymerization of methyl methacrylate(MMA)ms and 2,2,3,3,4,4,5,5-octafluoropentyl acrylate(OFPA) was conducted at 25℃ in water dispersion system catalyzed and initiated by CuBr/CuBr 2/1,10-phenanthroline(phen)/ethyl 2-bromoisobutyrate(EBiB) or CuCl/phen/EBiB in the presence of sodium lauryl sulfonate and sodium perfluorononenyloxyl benzene sulfonate.The results of GPC and 1H-NMR characterization demonstrated that a fluorine-containing block copolymer composed of MMA and OFPA was successfully synthesized in such a water dispersion system.The water-resistance performance of the PMMA film surface was greatly improved when only 2?wt%(based on PMMA) of the resulted fluorine-containing block copolymer was employed as the film surface enhance agent.Block copolymerization of methyl methacrylate ( MMA) ins and '2, 2, 3, 3, 4, 4, 5, 5-octafluoropentyl acrylate(OFPA) was conducted at 25degreesC in water dispersion system catalyzed and initiated by CuBr/CuBr2/1, 10-phenanthroline( phen)/ethyl 2-bromoisobutyrate ( EBiB) or CuCl/phen/EBiB in the presence of sodium lauryl sulfonate and sodium perfluorononenyloxyl benzene sulfonate. The results of GPC and H-1-NMR characterization demonstrated that a fluorine- containing block copolymer composed of MMA and OFPA was successfully synthesized in such a water dispersion system. The water- resistance performance of the PMMA film surface was greatly improved when only 2 wt% (based on PMMA) of the resulted fluorine-containing block copolymer was employed as the film surface enhance agent.

关 键 词：甲基丙烯酸甲酯 丙烯酸八氟戊酯 嵌段共聚物 水分散体系 合成 结构表征 原子转移自由基聚合 

分 类 号：O631[理学—高分子化学]